Finding the Fourth Proportional to 9,943.17, 13,721.31 and 5,467.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,943.17 : 13,721.31 = 5,467.38 : x
2. Step 2: Convert to fraction form
   9,943.17/13,721.31 = 5,467.38/x
3. Step 3: Cross multiply
   9,943.17x = 13,721.31 × 5,467.38
4. Step 4: Simplify right side
   9,943.17x = 75,019,615.87
5. Step 5: Solve for x
   x = 75,019,615.87/9,943.17
6. Step 6: Final answer
   x = 7,544.84